CN203390469U - Equipment for assembling and welding box beam - Google Patents
Equipment for assembling and welding box beam Download PDFInfo
- Publication number
- CN203390469U CN203390469U CN201320369352.5U CN201320369352U CN203390469U CN 203390469 U CN203390469 U CN 203390469U CN 201320369352 U CN201320369352 U CN 201320369352U CN 203390469 U CN203390469 U CN 203390469U
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- box beam
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- assembly welding
- transfer pipe
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- 238000003466 welding Methods 0.000 title claims abstract description 61
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000011144 upstream manufacturing Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 241000252254 Catostomidae Species 0.000 abstract 1
- 238000005192 partition Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses equipment for assembling and welding a box beam, which comprises a bearing table, a web fixing mechanism and flange plate fixing mechanisms, wherein the bearing table is used for placing the box beam; the web fixing mechanism and the flange plate fixing mechanisms are used for positioning the box beam; the bearing table is provided with a transmitting passage for transmitting the box beam; the flange plate fixing mechanisms are at least two pairs of lateral baffles arranged along the direction of the transmitting passage; each two lateral baffles belong to the same pair are respectively positioned at both sides of the transmitting passage; and the web fixing mechanism comprises magnetic suckers arranged at both the sides of the transmitting passage in a sliding manner and ejector rods arranged on the lateral baffles. The equipment for assembling and welding the box beam, which is disclosed by the utility model, can implement automatic operation, has a simple structure, is low in cost, is convenient to use and has high working efficiency and good stability; correction on micro deformation of a web in the welding process can be implemented; welding quality of the box beam is improved; and the equipment is easy to popularize and apply.
Description
Technical field
The utility model relates to field of welding devices, is specifically related to a kind of equipment for assembly welding box beam.
Background technology
Box beam refers to that shape of cross section is the beam of box, and when bridge span is larger, box beam is best version, and its closed thin wall section torsional rigidity is very large, particularly favourable for the bridge of curved bridge and employing cantilever construction.
Box beam is welded by four block plates, has the performance of good reach power, moment of flexure and opposing horizontal force, in high level, high-rise building, extensively adopts.The inner welding conventionally of box beam reinforcement dividing plate, welding procedure is complicated, and welding deposited metal amount is large, and welding deformation is wayward, and welding procedure difficulty is larger.
Welding box beam equipment of the prior art is comprised of main frame, rollgang, web centering clamp mechanism, hydraulic system and electric-control system conventionally, can realize the flow process operation of automation, but volume is larger, and Heavy Weight, is difficult for transportation, expensive, complex structure, efficiency is general.
The disclosure of the invention of application publication number CN102756232A the assembled welder of a kind of universal adjustable box beam, comprise clamping device in web, web plate positioning device, flange plate positioning clamping device, web plate positioning device comprises the bottom that is connected and the clamping plate on top, in the middle of bottom, be provided with T shape convex, two bottom sides is provided with through hole II; Flange plate positioning clamping device comprises clamp, clamp is provided with through hole I and T-slot, T shape convex coordinates formation double square sliding rail to coordinate with T-slot, two clamp via through holes I are connected with leading screw III, the outside of clamp is provided with overhanging otic placode, and otic placode is provided with connecting hole, and connecting hole is connected with leading screw II, through hole II 1 is connected with leading screw II, and leading screw II coordinates with nut II; In web, clamping device comprises two inner splints, and two inner splints connect by leading screw I, and inner splint coordinates with the position of clamp.
This utility model provides a kind of fixture of welding box-shaped beam, can adjust the relative position of each steel plate in welding process box beam, guarantees carrying out smoothly of welding process, and still, guiding mechanism all adopts frame for movement, and adjustment process is comparatively loaded down with trivial details.
Utility model content
The utility model provides a kind of equipment for assembly welding box beam, can realize automated job, simple in structure, with low cost, easy to use, operating efficiency is high, good stability, can realize the correction of welding process median ventral plate micro-deformation, improve the welding quality of box beam, be easy to apply.
A kind of equipment for assembly welding box beam, comprise for placing the plummer of box beam and for locating web fixed mechanism and the wing plate fixed mechanism of box beam, on described plummer, have for transmitting the Transfer pipe of box beam, described wing plate fixed mechanism is at least two pairs of side shields arranging along Transfer pipe direction, belongs to the both sides that two a pair of side shields are in respectively Transfer pipe together; Described web fixed mechanism comprises that slip is arranged in the magnetic suction disc of Transfer pipe both sides, and is arranged on the push rod on described side shield.
Transfer pipe of the present utility model not has the passage of entity structure, only refers to travel path when box beam transmits.
The wing plate of box beam is flat in Transfer pipe, by the side shield of Transfer pipe both sides, is fixed; Two blocks of webs are placed on respectively to two sides of wing plate, the push rod that utilization is positioned on the side shield of Transfer pipe both sides provides the power of mutually drawing close to the web being parallel to each other, utilize simultaneously magnetic suction disc to the web being parallel to each other provide mutually away from power, make to keep suitable spacing between two blocks of webs, be convenient to the carrying out of welding process.
Side shield is arranged multipair along Transfer pipe, from a plurality of positions, wing plate is fixed, and guarantees the stability of wing plate in welding process; On each side shield, be equipped with push rod, a plurality of positions on web are applied to the power near Transfer pipe, each side for Transfer pipe, magnetic suction disc is arranged between adjacent two side shields, make each web along between direction of transfer or bear near the power of Transfer pipe with away from the power of Transfer pipe, by adjusting the position of push rod and the suction-combining force of magnetic suction disc, adjust the correct position place that web is positioned at wing plate edge, and perpendicular to wing plate, welding process is carried out smoothly.
After the position of wing plate and web is fixed, between two webs, internal partition is placed at interval, and welder adopts prior art, and between internal partition and wing plate, level welding, first carries out spot welding between web and wing plate, then carries out full weld.
As preferably, a plurality of transfer rollers that described plummer comprises base and is coupling successively on described base, described Transfer pipe is positioned at the end face of transfer roller and extends along the direction of transfer of transfer roller.
Wing plate and web are positioned at the top of transfer roller, after having welded the web and wing plate at a certain position, disconnect magnetic suction disc, by the rotation of transfer roller, rely on the frictional force between wing plate and transfer roller, and next position to be welded is moved to welder below.
As preferably, the bottom of described side shield is provided with the position adjustments hole of bar shaped, is equipped with and the interconnective set bolt in ground in position adjustments hole.
By adjusting set bolt in adjustment hole Zhong position, position, can adjust the position of side shield, make the relative position of side shield and wing plate suitable, guarantee that side shield has suitable clamping force to wing plate, simultaneously, in the time of guaranteeing that again transfer roller rotates, the frictional force between wing plate and side shield is less, can not hinder the movement of wing plate.
As preferably, the position that described side shield contacts with wing plate is provided with the first pad.The first pad, for the protection of wing plate, avoids side shield to cause scratch to wing plate.
As preferably, described push rod is and the resistance bolt of side shield threaded engagement that one end that resistance bolt contacts with web is provided with the second pad.By regulating the position of resistance bolt opposite side baffle plate, adjust resistance bolt for the power that pushes against of web, the second pad is not scratched by resistance bolt for the protection of web.
As preferably, on described resistance bolt, be combined with locking nut.Described locking nut is two, pushes against respectively the both sides of side shield.
Adjust after the position suitable of resistance bolt, by locking nut, lock the position of resistance bolt, in welding process, keep the stable of web position.
As preferably, in the both sides of Transfer pipe, be respectively equipped with hydraulic cylinder, described magnetic suction disc is arranged on the piston rod of corresponding hydraulic cylinder.The magnetic suction disc of Transfer pipe both sides is arranged symmetrically with.
Magnetic suction disc is by Driven by Hydraulic Cylinder, and magnetic suction disc is connected with the piston rod of hydraulic cylinder, by regulating the telescopic location of hydraulic cylinder piston rod, adjusts the position that magnetic suction disc pulls web, is convenient to the carrying out of adjustment process.
As preferably, along Transfer pipe direction, at the upstream and downstream of magnetic suction disc, all has a pair of side shield at least.
The upstream of magnetic suction disc refers to along Transfer pipe direction, a side of having welded, and the downstream of magnetic suction disc refers to along Transfer pipe direction, a side of not yet having welded.
Magnetic suction disc provides the power of web away from Transfer pipe, in the both sides of magnetic suction disc, side shield is set, and for the power of balancing magnetic force sucker is provided, guarantees the extending in parallel along Transfer pipe of web.
As preferably, be also provided with for changing the roll-over table at box beam inclination angle.Described roll-over table comprises for holding in the palm the flip-arm of wing plate bottom surface, and for driving the drive unit of flip-arm.Described flip-arm is a plurality of, and all with transport roller to being arranged in parallel.Complete after the spot welding and backing welding of web and wing plate, certain angle of overturning, completes the submerged-arc welding of web and wing plate.
The utility model compared with prior art has following good effect for the equipment of assembly welding box beam:
(1) realize automated production, reduce labor strength, save artificial;
(2) production efficiency is high, has saved production time and production cost;
(3) simple and reasonable for structure, easy to operate;
(4) cost of manufacture is very low, lightweight, and convenient transportation is installed easily.
Accompanying drawing explanation
Fig. 1 is that the utility model is for the equipment schematic diagram of assembly welding box beam;
Fig. 2 is that A-A in Fig. 1 is to view;
Fig. 3 is that B-B in Fig. 1 is to view.
In figure: 1, web; 2, wing plate; 3, internal partition; 4, transfer roller; 5, leading screw; 6, guide post; 7, drive motors; 8, welding gun; 9, side shield; 10, the second pad; 11, resistance bolt; 12, locking nut; 13, reinforcement; 14, magnetic suction disc; 15, hydraulic cylinder; 16, gripper shoe; 17, base.
The specific embodiment
Below in conjunction with accompanying drawing, the equipment to the utility model for assembly welding box beam is described in detail.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of equipment for assembly welding box beam, comprise for placing the plummer of box beam and for locating web fixed mechanism and the wing plate fixed mechanism of box beam, on plummer, have for transmitting the Transfer pipe of box beam, wing plate fixed mechanism is can set according to needs along the spacing of the adjacent two pairs of side shields 9 of multipair side shield 9(of Transfer pipe direction layout, for example every 2.5m, a pair of side shield 9 is set), belong to the both sides that two a pair of side shields 9 are in respectively Transfer pipe together; Web fixed mechanism comprises that slip is arranged in the magnetic suction disc 14 of Transfer pipe both sides, and the resistance bolt 11(being arranged on side shield 9 is push rod).
As shown in Figure 2 and Figure 3, a plurality of transfer rollers 4 that plummer comprises base 17 and is coupling successively on base 17, Transfer pipe is positioned at the end face of transfer roller 4 and extends along the direction of transfer of transfer roller 4.
The bottom of side shield 9 is provided with the position adjustments hole of bar shaped, is equipped with and the interconnective set bolt in ground in position adjustments hole.The position that side shield 9 contacts with wing plate 2 is provided with the first pad.Between side shield 9 and ground, be connected with reinforcement 13.
As shown in Figure 2, in the both sides of Transfer pipe, be respectively equipped with hydraulic cylinder 15, magnetic suction disc 14 is arranged on the piston rod of corresponding hydraulic cylinder 15.Magnetic suction disc 14 is arranged symmetrically in the both sides of Transfer pipe, and along Transfer pipe direction, at the upstream and downstream of magnetic suction disc 14, respectively arranges two pairs of side shields 9, and the spacing between magnetic suction disc 14 and with it adjacent side shield 9 regulates according to needs.
The both sides of Transfer pipe are provided with the gripper shoe 16 for fixer cylinder pressure 15, and hydraulic cylinder 15 is bolted in gripper shoe 16, and the piston rod of hydraulic cylinder 15 and magnetic suction disc 14 removably connect.Piston rod by hydraulic cylinder 15 is flexible, drives magnetic suction disc 14 motions, by switch, make after the logical magnetic of magnetic suction disc 14, can with web 1 phase adhesive.
Resistance bolt 11(adopts M24 bolt) and side shield 9 threaded engagement, one end that resistance bolt 11 contacts with web 1 is provided with the second pad 10.By regulating resistance bolt 11 can guarantee that web 1 and the edge of wing plate 2 have suitable distance, when there is micro-deformation in web 1, by hydraulic cylinder 15, pull web 1, rely on the resistance of resistance bolt 11, the powerful deflection of correcting web 1, because now resistance bolt 11 is stressed very large, therefore, on resistance bolt 11, be combined with locking nut 12(and adopt M24 nut).Locking nut 12 is symmetrically distributed in the both sides of side shield 9, and pushes against side shield 9, increases screw thread contact-making surface to guarantee the mechanical property demand of resistance bolt 11.
In magnetic suction disc 14 downstream, be provided for welding the first welder of web 1 and wing plate 2, after web 1 and wing plate 2 spot welding are completed, along with the rotation of transfer roller 4, wing plate 2 and web 1 move, and the first welder completes the backing welding between web 1 and wing plate 2.
In the downstream of the first welder, be provided for welding the second welder of internal partition 3 and wing plate 2, the second welder comprise across the leading screw 5 of (direction perpendicular with Transfer pipe) box beam, with the sliding shoe of these leading screw 5 threaded engagement, the guide post 6(sliding shoe and guide post 6 matched in clearance that is located in sliding shoe and parallels with leading screw 5) and the welding gun 8(sliding shoe that is fixedly connected with sliding shoe on be fixedly connected with welding gun cover, welding gun is placed in welding gun cover).
High the turning round of drive motors 7(low speed) drive leading screw 5 to rotate, move along guide post 6 with the sliding shoe of leading screw 5 threaded engagement, drive welding gun 8 transverse shiftings, internal partition 3 and wing plate 2 are welded.
Be provided with for changing the roll-over table at box beam inclination angle.Roll-over table comprises for holding in the palm the flip-arm of wing plate 2 bottom surfaces, and for driving the drive unit of flip-arm.Flip-arm is a plurality of, and all arranges with transfer roller 4 axially parallels.
When the utility model is used for the equipment use of assembly welding box beam, utilize purlin car that wing plate 2 is placed on transfer roller 4, the dual-side of wing plate 2 is respectively against side shield 9, adjust the resistance bolt 11 position on side shield 9, two blocks of webs 1 are winched to respectively to the dual-side of wing plate 2, open hydraulic cylinder 15 and drive magnetic suction disc 14 adhesive webs 1, adjust position and the micro-deformation of web 1, web 1 and wing plate 2 are carried out to spot welding, then place internal partition 3, utilize drive motors to drive welding gun 8 to complete the welding of internal partition 3 and wing plate 2, disconnect magnetic suction disc 14, transfer roller 4 drives wing plate 2 motions, utilize the first welder to complete the backing welding of web 1 and wing plate 2, utilize the moving wing plate upset 45 of flip-arm holder to spend submerged-arc welding, after having welded a side wing and two webs, obtain semi-finished product, opposite side wing plate is placed on transfer roller 4, and semi-finished product are tipped upside down on this wing plate, repeat the welding that abovementioned steps completes box beam.
Claims (10)
1. the equipment for assembly welding box beam, comprise for placing the plummer of box beam and for locating web fixed mechanism and the wing plate fixed mechanism of box beam, on described plummer, have for transmitting the Transfer pipe of box beam, it is characterized in that, described wing plate fixed mechanism is at least two pairs of side shields arranging along Transfer pipe direction, belongs to the both sides that two a pair of side shields are in respectively Transfer pipe together; Described web fixed mechanism comprises that slip is arranged in the magnetic suction disc of Transfer pipe both sides, and is arranged on the push rod on described side shield.
2. the equipment for assembly welding box beam as claimed in claim 1, it is characterized in that, a plurality of transfer rollers that described plummer comprises base and is coupling successively on described base, described Transfer pipe is positioned at the end face of transfer roller and extends along the direction of transfer of transfer roller.
3. the equipment for assembly welding box beam as claimed in claim 1, is characterized in that, the bottom of described side shield is provided with the position adjustments hole of bar shaped, is equipped with and the interconnective set bolt in ground in position adjustments hole.
4. the equipment for assembly welding box beam as claimed in claim 1, is characterized in that, the position that described side shield contacts with wing plate is provided with the first pad.
5. the equipment for assembly welding box beam as claimed in claim 1, is characterized in that, described push rod is and the resistance bolt of side shield threaded engagement that one end that resistance bolt contacts with web is provided with the second pad.
6. the equipment for assembly welding box beam as claimed in claim 5, is characterized in that, on described resistance bolt, is combined with locking nut.
7. the equipment for assembly welding box beam as claimed in claim 1, is characterized in that, in the both sides of Transfer pipe, is respectively equipped with hydraulic cylinder, and described magnetic suction disc is arranged on the piston rod of corresponding hydraulic cylinder.
8. the equipment for assembly welding box beam as claimed in claim 1, is characterized in that, along Transfer pipe direction, at the upstream and downstream of magnetic suction disc, all has a pair of side shield at least.
9. the equipment for assembly welding box beam as claimed in claim 1, is characterized in that, is also provided with for changing the roll-over table at box beam inclination angle.
10. the equipment for assembly welding box beam as claimed in claim 9, is characterized in that, described roll-over table comprises for holding in the palm the flip-arm of wing plate bottom surface, and for driving the drive unit of flip-arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320369352.5U CN203390469U (en) | 2013-06-25 | 2013-06-25 | Equipment for assembling and welding box beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320369352.5U CN203390469U (en) | 2013-06-25 | 2013-06-25 | Equipment for assembling and welding box beam |
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| Publication Number | Publication Date |
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| CN203390469U true CN203390469U (en) | 2014-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320369352.5U Expired - Fee Related CN203390469U (en) | 2013-06-25 | 2013-06-25 | Equipment for assembling and welding box beam |
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| CN (1) | CN203390469U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057236A (en) * | 2014-07-02 | 2014-09-24 | 南车戚墅堰机车有限公司 | Box beam positioning assembly welding device |
| CN104625455A (en) * | 2015-01-27 | 2015-05-20 | 鞍钢建设集团有限公司 | Welding process capable of controlling welding deformation of groove type cross beam |
| CN105499888A (en) * | 2016-01-27 | 2016-04-20 | 威海新北洋正棋机器人股份有限公司 | Suction type positioning tool |
| CN108213805A (en) * | 2016-12-21 | 2018-06-29 | 重庆重齿机械有限公司 | A kind of box-structure is counter to fill method |
| CN108406148A (en) * | 2017-02-10 | 2018-08-17 | 唐山开元机器人系统有限公司 | It is a kind of to adapt to robot Intelligent welding and the automatic Anti-deformation device for conveying, being clamped |
| CN109896279A (en) * | 2019-04-17 | 2019-06-18 | 周凯 | A kind of box cross-arm automatic moulding welding production line |
| CN110102862A (en) * | 2019-06-05 | 2019-08-09 | 浙江中南建设集团钢结构有限公司 | The anti-side bending deformation control device of H profile steel component and its welding method |
| CN110508979A (en) * | 2019-09-16 | 2019-11-29 | 宁波金凤焊割机械制造有限公司 | Box beam U-shaped method for assembling |
| CN110508980A (en) * | 2019-09-16 | 2019-11-29 | 宁波金凤焊割机械制造有限公司 | Box beam U-shaped group erects standby |
| CN111571072A (en) * | 2020-05-28 | 2020-08-25 | 上海外高桥造船有限公司 | Welding precision control method for box-type slender beam |
| CN115255851A (en) * | 2022-07-29 | 2022-11-01 | 中联重科股份有限公司 | Box-type arm support assembling equipment and box-type arm support assembling method |
-
2013
- 2013-06-25 CN CN201320369352.5U patent/CN203390469U/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104057236A (en) * | 2014-07-02 | 2014-09-24 | 南车戚墅堰机车有限公司 | Box beam positioning assembly welding device |
| CN104057236B (en) * | 2014-07-02 | 2016-03-23 | 南车戚墅堰机车有限公司 | Box beam location assembly-welding device |
| CN104625455A (en) * | 2015-01-27 | 2015-05-20 | 鞍钢建设集团有限公司 | Welding process capable of controlling welding deformation of groove type cross beam |
| CN105499888A (en) * | 2016-01-27 | 2016-04-20 | 威海新北洋正棋机器人股份有限公司 | Suction type positioning tool |
| CN108213805B (en) * | 2016-12-21 | 2019-09-27 | 重庆重齿机械有限公司 | A kind of box-structure is counter to fill method |
| CN108213805A (en) * | 2016-12-21 | 2018-06-29 | 重庆重齿机械有限公司 | A kind of box-structure is counter to fill method |
| CN108406148A (en) * | 2017-02-10 | 2018-08-17 | 唐山开元机器人系统有限公司 | It is a kind of to adapt to robot Intelligent welding and the automatic Anti-deformation device for conveying, being clamped |
| CN109896279A (en) * | 2019-04-17 | 2019-06-18 | 周凯 | A kind of box cross-arm automatic moulding welding production line |
| CN109896279B (en) * | 2019-04-17 | 2021-03-16 | 五合兴华通讯设备有限公司 | Box cross arm automatic molding welding production line |
| CN110102862A (en) * | 2019-06-05 | 2019-08-09 | 浙江中南建设集团钢结构有限公司 | The anti-side bending deformation control device of H profile steel component and its welding method |
| CN110102862B (en) * | 2019-06-05 | 2023-06-30 | 浙江中南绿建科技集团有限公司 | Control device for preventing H-shaped steel member from being deformed by side bending and welding method thereof |
| CN110508979A (en) * | 2019-09-16 | 2019-11-29 | 宁波金凤焊割机械制造有限公司 | Box beam U-shaped method for assembling |
| CN110508980A (en) * | 2019-09-16 | 2019-11-29 | 宁波金凤焊割机械制造有限公司 | Box beam U-shaped group erects standby |
| CN110508979B (en) * | 2019-09-16 | 2021-09-21 | 宁波金凤焊割机械制造有限公司 | U-shaped assembling method for box beam |
| CN111571072A (en) * | 2020-05-28 | 2020-08-25 | 上海外高桥造船有限公司 | Welding precision control method for box-type slender beam |
| CN115255851A (en) * | 2022-07-29 | 2022-11-01 | 中联重科股份有限公司 | Box-type arm support assembling equipment and box-type arm support assembling method |
| CN115255851B (en) * | 2022-07-29 | 2023-12-29 | 中联重科股份有限公司 | Box-type arm support assembling equipment and box-type arm support assembling method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140115 |
|
| CU01 | Correction of utility model | ||
| CU01 | Correction of utility model |
Correction item: Termination upon expiration of patent Correct: Revocation of Patent Expiration and Termination False: Expiration and Termination of 39 Volume 2801 Patent on July 11, 2023 Number: 28-01 Volume: 39 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140115 |